Mutations in PIEZO2 cause Gordon syndrome, Marden-Walker Syndrome, and distal arthrogryposis type 5

Margaret J. McMillin, Anita E. Beck, Jessica X. Chong, Kathryn M. Shively, Kati J. Buckingham, Heidi I.S. Gildersleeve, Mariana I. Aracena, Arthur S. Aylsworth, Pierre Bitoun, John C. Carey, Carol L. Clericuzio, Yanick J. Crow, Cynthia J. Curry, Koenraad Devriendt, David B. Everman, Alan Fryer, Kate Gibson, Maria Luisa Giovannucci Uzielli, John M. Graham, Judith G. HallJacqueline T. Hecht, Randall A. Heidenreich, Jane A. Hurst, Sarosh Irani, Ingrid P.C. Krapels, Jules G. Leroy, David Mowat, Gordon T. Plant, Stephen P. Robertson, Elizabeth K. Schorry, Richard H. Scott, Laurie H. Seaver, Elliott Sherr, Miranda Splitt, Helen Stewart, Constance Stumpel, Sehime G. Temel, David D. Weaver, Margo Whiteford, Marc S. Williams, Holly K. Tabor, Joshua D. Smith, Jay Shendure, Deborah A. Nickerson, Michael J. Bamshad

Research output: Contribution to journalArticle

88 Scopus citations


Gordon syndrome (GS), or distal arthrogryposis type 3, is a rare, autosomal-dominant disorder characterized by cleft palate and congenital contractures of the hands and feet. Exome sequencing of five GS-affected families identified mutations in piezo-type mechanosensitive ion channel component 2 (PIEZO2) in each family. Sanger sequencing revealed PIEZO2 mutations in five of seven additional families studied (for a total of 10/12 [83%] individuals), and nine families had an identical c.8057G>A (p.Arg2686His) mutation. The phenotype of GS overlaps with distal arthrogryposis type 5 (DA5) and Marden-Walker syndrome (MWS). Using molecular inversion probes for targeted sequencing to screen PIEZO2, we found mutations in 24/29 (82%) DA5-affected families and one of two MWS-affected families. The presence of cleft palate was significantly associated with c.8057G>A (Fisher's exact test, adjusted p value < 0.0001). Collectively, although GS, DA5, and MWS have traditionally been considered separate disorders, our findings indicate that they are etiologically related and perhaps represent variable expressivity of the same condition.

Original languageEnglish (US)
Pages (from-to)734-744
Number of pages11
JournalAmerican Journal of Human Genetics
Issue number5
StatePublished - May 1 2014

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

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    McMillin, M. J., Beck, A. E., Chong, J. X., Shively, K. M., Buckingham, K. J., Gildersleeve, H. I. S., Aracena, M. I., Aylsworth, A. S., Bitoun, P., Carey, J. C., Clericuzio, C. L., Crow, Y. J., Curry, C. J., Devriendt, K., Everman, D. B., Fryer, A., Gibson, K., Giovannucci Uzielli, M. L., Graham, J. M., ... Bamshad, M. J. (2014). Mutations in PIEZO2 cause Gordon syndrome, Marden-Walker Syndrome, and distal arthrogryposis type 5. American Journal of Human Genetics, 94(5), 734-744.